MACRS Methods Declining Balance question

Hi Experts,

I have a question on how  MACRS Methods work. The client has the requirement of these 2 methods:

- MACRS 200% HY for 3, 5, 7 life years

- MACRS 150% HY for 15 life years

I already applied all the patches related to MACRS Methods and bonus rules. I am  trying to map the methods the client gave me to the methods in Oracle. The only method, I see in Oracle that resembles these requirements is the seeded Method:

-MACRS HY which comes seeded for life, 3, 5, 7, 10, 15, 20.

The question is, how do I know if this is the method that I need? How do I know the declining balance that this seeded Method will apply? Is this something that the method automatically will do? say for example, it will calculate automatically that for  life years 3,5,7  it will apply  200% and for an asset  with  a 15 life year it will  automatically apply a 150% DB? or do  I need to configure something  manually?